Drawboard PDF
Stylus-optimized PDF markup app for Windows and Surface devices rated the number-one engineering productivity app on the Windows Store, with a free tier for basic annotation.
3.2 /5 composite score
C1 4/5 reflects the freemium model, and C5 4/5 reflects Procore, Autodesk BIM 360, Oracle Aconex, Revit, Microsoft Teams, OneDrive, Google Drive, and Dropbox integrations. PDF is the native surface, and C2 2/5 reflects that API and webhook access is limited to Drawboard Projects enterprise workflows.
Solid
Rubric Scorecard
| Criterion | Score | Evidence |
|---|---|---|
| Value for the price | 4/5 | Freemium, free tier Source → |
| Agent Friendliness | 2/5 | API: none |
| Ease of adoption | 2/5 | -- |
| Portability & lock-in | 4/5 | 1 file formats |
| Interoperability | 4/5 | 8 integrations |
Pricing
ModelFreemium
Free tieryes
How we verified this: we checked Drawboard PDF against its live site and an independent source — g2.com. Nothing on this page is listed from memory. See how we grade. Verified 2026-07-18.
Evidence
File formats
| Format | Direction | Support |
|---|---|---|
| unknown | unknown |
Integrations
Procore Autodesk BIM 360 Oracle Aconex Revit Microsoft Teams OneDrive Google Drive Dropbox
Sources
Alternatives in PDF Drawing Markup
Purpose-built AEC PDF markup platform with scale-accurate redlining, Studio collaboration sessions, and Compare Documents drawing-set revision overlays.
4.6/5
General-purpose PDF editor with annotation, commenting, document comparison, OCR, and e-signatures -- the universal baseline before AEC-specific tools existed.
4.4/5
Full-featured PDF editor with annotation, document comparison, OCR, form creation, and AI-assisted redaction -- positioned as a cost-effective Acrobat alternative.
4.0/5
Mobile field-drawing app for creating scale drawings on-site with photo markup, layer versioning, and automated material takeoffs that feed directly into estimates.
3.4/5
See all Drawboard PDF alternatives → ยท Compare all PDF Drawing Markup tools →
Subscribe to Building Probable
Independent AEC + AI reviews & research, including PDF Drawing Markup coverage -- the companion newsletter to buildingtech.pro.
Subscribe to Building Probable →